English

Tooth decay starts when the pH of the mouth falls below ______.

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Question

Tooth decay starts when the pH of the mouth falls below ______.

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Solution

Tooth decay starts when the pH of the mouth falls below 5.5.

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Chapter 3: Acids, Bases and Salts - Intext Question [Page 62]

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Lakhmir Singh Chemistry [English] Class 10 ICSE
Chapter 3 Acids, Bases and Salts
Intext Question | Q 2. (i) | Page 62
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